Fig. 4From: Poisonous books: analyses of four sixteenth and seventeenth century book bindings covered with arsenic rich green paintXRD patterns with the identified peaks and the Miller index. On the left: KLR-11920 (top) and KLR-12109 (down). On the right: KLR-11971 (top) and KLR-1172 (down). Qz quartz, Cal calcite, Orp orpimentBack to article page